- HELOC vs Home Equity Loan: Differences, Costs and Risks (you are here)
- Home Equity Loan Risks: When It Breaks and the Decision Rule
Home equity is the part of your home’s value that you own. A home equity loan or a HELOC lets you borrow against it without touching your cheap first mortgage. A HELOC works like a credit card secured by your home: borrow, repay and borrow again. A home equity loan gives one fixed sum repaid in steady payments. Use a HELOC for uncertain or short-term needs and a fixed loan for a known amount. Borrow only what you could still repay if the rate rose and the lender froze your line.
Why it matters: Your home secures the loan, so a mistake risks the house, not just your credit.
Summary: A home equity loan or HELOC lets you borrow against your home without touching a low-rate first mortgage, and in October 2026 that is almost always cheaper than a cash-out refinance. Use a HELOC for uncertain or short-lived needs and a fixed home equity loan for a known sum repaid over many years, and borrow only what you could still repay if the rate rose two points and the line were frozen.
- Borrowing room is 80% (sometimes 85%–90%) of the home’s value minus what you owe, not your whole equity.
- HELOC rates follow the prime rate, 7.00% since Sep 17, 2026; fixed home equity loans averaged about 8.5% on Sep 30, 2026.
- Paying only interest through a 10-year draw on $50,000 at 7.29%, then repaying over 20 years, costs $61,021 more interest than repaying over 10 years from the start.
- A lender can freeze a line when the home’s value falls significantly; a fall that halves the original gap between the credit limit and the available equity always counts, which is 10% in this chapter’s example.
- Interest is deductible only if you itemize and the money buys, builds or substantially improves the home.
- Both loans are liens: missed payments can end in foreclosure, and the lien survives Chapter 7 bankruptcy.
Home equity — a home’s current market value minus what’s still owed on it — can be borrowed against without selling or refinancing the primary mortgage, through two distinct products:
| Home Equity Loan | HELOC (Home Equity Line of Credit) | |
|---|---|---|
| Structure | A single lump sum, at a fixed rate, repaid on a fixed schedule | A revolving credit line — borrow, repay, and borrow again during a “draw period,” typically 10 years |
| Rate (Sep 30, 2026) | Fixed, averaging about 8.5% nationally (8.46% for a 5-year loan, 8.56% for 10- and 15-year loans) | Variable, averaging about 7.3% nationally (7.29%), usually priced as the prime rate (7.00% since Sep 17, 2026) plus or minus a margin — so it moves with every Fed rate change |
| Best suited for | A single, known-size expense — a major renovation or a roof replacement — where payment predictability matters (consolidating credit-card debt is the common pitch; the When This Breaks box below explains why it needs care) | An ongoing or uncertain need — ongoing renovation phases, a flexible emergency backstop beyond Part 1’s cash emergency fund |
Liens are paid in the order they were recorded, so a home equity lender behind your first mortgage collects only what is left once the first lender is paid in full. Take the $400,000 home below, with a $250,000 first mortgage and a fully drawn $70,000 HELOC. Sold in foreclosure at an illustrative 20% below value, with 10% of that lost to sale costs, it nets $400,000 × 0.8 × 0.9 = $288,000: the first lender recovers all $250,000, the HELOC lender $38,000 of $70,000, or 54%. That loss position is why second-lien rates sit above first-mortgage rates (8.56% for a 10-year home equity loan against 7.28% for a 30-year first mortgage, Sep 30 and Oct 1, 2026). Taking one does not disturb the first loan: federal law bars its lender from calling it because you created a junior lien that does not transfer occupancy (12 U.S.C. §1701j-3(d)).
The rate moves with the Fed because the law requires it to move with something public. Regulation Z lets a lender change a HELOC rate only through an index it does not control and the public can check (12 CFR 1026.40(f)(1)); most use prime, set by banks at the top of the federal funds range plus 3 points. Every 0.25-point Fed move passes through at the next rate change: on a $50,000 balance, $50,000 × 0.25% ÷ 12 = $10.42 a month. The contract must also state a maximum rate (12 CFR 1026.30); find it before you sign, because it is the rate to stress-test.
How much you can borrow. Lenders cap the combined loan-to-value (CLTV) — all loans secured by the home ÷ its value — often at 80%, sometimes 85%–90%. A $400,000 home with $250,000 owed at 3.5% has $150,000 of equity, but at 80% you can borrow only 80% × $400,000 − $250,000 = $70,000 ($90,000 at 85%).
Regulation Z lets a lender block new draws or cut the limit while the home’s value is significantly below its appraised value, and the official interpretation sets an outer limit: what counts as significant varies with the circumstances, but a decline is always significant once the original gap between the credit limit and the available equity has shrunk by half. On the numbers above, available equity is $400,000 − $250,000 = $150,000; with a $70,000 line the gap is $150,000 − $70,000 = $80,000; half of it is $40,000, so a fall to $360,000, just 10%, is enough. A smaller line raises that outer limit: with a $30,000 limit the gap is $120,000 and the decline that always counts is $60,000 (15%). A smaller fall can still qualify, so treat these figures as the most a lender must wait for, not a guarantee.
The rules also protect you. A freeze lasts only while its cause does: the lender must restore the line once the condition ends, must investigate when you ask, and may not charge a fee to reinstate it (it may pass on actual appraisal and credit-report costs of checking, where state law allows). It may terminate the plan and demand the whole balance only for fraud, failure to pay, or something you do that impairs its security, such as selling the home or letting insurance lapse; reaching the rate cap is not a ground, though draws can be frozen while the rate sits there.
An FDIC working paper (Heitz, Traczynski and Ufier, revised September 2024) followed 90,848 HELOCs at nine banks that failed between 2008 and 2011. It identified 7,416 lines, 8.2%, closed in ways it judged bank-initiated, and those borrowers were not marginal: an average credit score of 736 at origination, an average loan-to-value of 61%, and only 4% delinquent at the time. As failure approached the banks cut more aggressively, and having other loans or deposits with the bank did not protect borrowers. Failing banks in a crisis overstate the risk in an ordinary year, but a crisis is the year a backstop is for: an unused line is credit at the lender’s discretion within the rules above, not cash.
A HELOC has two phases. In the draw period, commonly 10 years, you borrow as needed, often paying only interest. In the repayment period that follows, principal is repaid, often over 10 to 20 years — or, in some plans, as one balloon payment. Regulation Z makes the lender say so up front: where minimum payments will not repay the line, the disclosures must state that a balloon payment will or may come due. Many plans also let you convert part of the balance to a fixed rate during the draw, at a disclosed index plus margin; ask before you sign.
Draw $50,000 at the 7.29% average. Interest-only: $50,000 × 7.29% ÷ 12 = $303.75 a month. Repaid over 20 years after the draw (5.4’s formula): $50,000 × 0.006075 ÷ (1 − 1.006075−240) = $396.40, 30.5% more at the same rate. If prime is two points higher by then (9.29%), it is $459.23, 51.2% more. Paying principal during the draw softens it.
Which product? A cash-out refinance replaces the whole mortgage with a bigger one (5.6). Raising $50,000 against the home above, whose 3.5% mortgage has 25 years left ($1,251.56 a month):
| Option | Monthly payments | Interest, year one |
|---|---|---|
| Mortgage + HELOC at 7.29%, interest-only | $1,251.56 + $303.75 = $1,555.31 | $8,648 + $3,645 = $12,293 |
| Mortgage + 15-year home equity loan at 8.56% | $1,251.56 + $494.13 = $1,745.69 | $8,648 + $4,214 = $12,862 |
| Cash-out refinance, $300,000, 30 years at 7.28% | $2,052.64 | $21,745 |
The table above compares year one. Over a full payoff, the choice between the two second-lien products turns on one unknown: where prime goes. Borrow $50,000 and repay it in level payments over 10 years, either as a 10-year home equity loan fixed at 8.56% or as a HELOC at 7.29% on which you choose to pay the same way, with the payment recomputed whenever the rate changes. Closing costs are left out of both.
| Scenario | Monthly payment | Total interest, 10 years |
|---|---|---|
| Home equity loan, fixed 8.56% | $621.53 | $24,584 |
| HELOC, prime unchanged (7.29%) | $588.04 | $20,565 |
| HELOC, prime 1 point lower from year 2 (6.29%) | $588.04, then $564.62 | $18,036 |
| HELOC, prime 2 points higher from year 2 (9.29%) | $588.04, then $636.53 | $25,802 |
Break-even: the HELOC costs more than the fixed loan only if its rate runs about 1.54 points above today’s from year 2 to year 10 (1.27 points if the rise came on day one, the gap between 8.56% and 7.29%). The fixed loan is insurance: it costs $24,584 − $20,565 = $4,019 more if rates hold, and saves $25,802 − $24,584 = $1,218 if prime rises 2 points. Repay faster than 10 years and the HELOC’s exposure, and the value of that insurance, both shrink.
Re-pricing $250,000 from 3.5% to 7.28% adds about $250,000 × 3.78% = $9,450 of interest a year, plus closing costs of 2%–5% (3% of $300,000 = $9,000). Keep a low first-mortgage rate.
- Costs. HELOCs often have low closing costs but annual or early-closure fees; home equity loans cost like a small mortgage. On your main home you can cancel any of the three (a same-lender refinance only on new money) until midnight of the third business day after closing.
- Freezes. A lender may block draws or cut the limit if the home’s value falls well below its appraisal, your finances worsen enough that repayment looks unlikely, or you default on a material obligation; it must tell you why within three business days. That is when you’d need the money, so a HELOC can’t replace 1.4’s cash fund.
- Tax. Interest is deductible only if you itemize and the money buys, builds or substantially improves the home securing the loan, within $750,000 of mortgage debt ($375,000 married filing separately; $1 million on debt from before Dec 16, 2017) — limits the 2025 One Big Beautiful Bill Act made permanent. Spent on cards or a car, it isn’t; nor does it help anyone taking the $16,100 standard deduction (2026).
The answers above assume you keep the home, the marriage and the payments steady. These events change them:
| Situation | What changes | Why | Number or rule |
|---|---|---|---|
| You refinance the first mortgage | The HELOC lender must sign a subordination agreement, or the refinance stalls | Liens rank by recording date; once the old first loan is repaid, the HELOC would move into first place, and the new lender requires first place | Fannie Mae requires a recorded resubordination agreement unless state law keeps the HELOC second; it needs the HELOC lender’s consent, so ask before you lock a rate |
| You sell the home | The line is paid off from the sale proceeds at closing and closed | A sale without the lender’s permission impairs its security, one of the few grounds to terminate a plan | 12 CFR 1026.40(f)(2)(iii) |
| Divorce or separation with a joint line | Either borrower can stop further draws | The agreement may let any borrower tell the lender to make no more advances; reinstatement can require both | Reg Z comment 40(f)(3)(vi)-5; a divorce-decree transfer cannot trigger the first mortgage’s due-on-sale clause (12 U.S.C. §1701j-3(d)) |
| You miss payments | The lender may terminate the line and demand the whole balance | Failure to meet the repayment terms is a listed ground; state right-to-cure laws can add notice | 12 CFR 1026.40(f)(2)(ii); a payment sent to the wrong office does not count as missed |
| You file Chapter 7 bankruptcy | The lender may freeze the line, and the lien survives even if the home is worth less than the first mortgage | A Chapter 7 debtor cannot void a wholly underwater junior lien | Bank of America v. Caulkett, decided Jun 1, 2015 |
| The money pays for repairs, a car or tuition | The interest is not deductible as mortgage interest | Only buying, building or substantially improving the home qualifies; repairs that maintain it, such as repainting, do not | IRS Pub. 936; interest on money used in a business or for investments may be deductible under other rules |
| Prime reaches the plan’s maximum rate | New draws can be frozen while the rate sits at the cap | The agreement may provide for it, but may not call the balance due because the cap is reached | 12 CFR 1026.40(f)(3)(i) |
Five questions on this chapter. Decide on your answer first, then click “Reveal Answer.”
1. A homeowner draws $40,000 on a HELOC at 7.29% and pays interest only during the draw period. If the rate is unchanged, what will the monthly payment be once the balance is repaid over 20 years?
- $317.12
- $243.00
- $166.67
- $409.67
Reveal Answer
Answer: A. Payment = $40,000 × 0.006075 ÷ (1 − 1.006075^−240) = $317.12, up from $243.00 interest-only. $166.67 forgets interest; $409.67 adds full-balance interest to straight-line principal. (Part 5.7: Home Equity — HELOCs vs Home Equity Loans)
2. A home appraised at $500,000 has a $300,000 first mortgage and a $100,000 HELOC limit. Under Regulation Z’s official interpretation, at what value does a decline first become one that always counts as significant, letting the lender freeze the line?
- $400,000
- $450,000
- $350,000
- $475,000
Reveal Answer
Answer: B. Available equity is $500,000 − $300,000 = $200,000; the gap to the $100,000 limit is $100,000; a decline that halves it ($50,000) is always significant, so $450,000, a 10% fall. A smaller fall can also qualify depending on circumstances, and $400,000 is a larger fall than the first one that always counts; $475,000 halves only a $50,000 figure. (Part 5.7: Home Equity — HELOCs vs Home Equity Loans)
3. A home has a $250,000 first mortgage and a fully drawn $60,000 HELOC recorded after it. It is sold in foreclosure and nets $300,000 after costs. How much does the HELOC lender recover from the sale?
- $58,065, its pro rata share of the $300,000
- $60,000, because the line was drawn in full
- $0, because foreclosure always wipes out a second lien
- $50,000, what is left after the first lender’s $250,000
Reveal Answer
Answer: D. Liens are paid in the order they were recorded: the first lender takes its full $250,000 of the $300,000, and the HELOC lender gets the remaining $300,000 − $250,000 = $50,000 of its $60,000. Proceeds are not shared pro rata ($300,000 × 60 ÷ 310 = $58,065), which is why second-lien rates sit above first-mortgage rates. (Part 5.7: Home Equity — HELOCs vs Home Equity Loans)
4. Worked problem: A $60,000 HELOC draw at 8% is interest-only during the draw. What is the monthly payment, and what is it when repaid over 20 years afterward?
Reveal Answer
Answer: Interest-only = $60,000 × 0.08 ÷ 12 = $400.00. Amortizing = $501.86.
5. Worked problem: By what percentage does the payment rise?
Reveal Answer
Answer: 501.86 ÷ 400.00 − 1 = 25.5%, the payment shock.